Glossary of terms | Department of Telecom eServices Portal
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What's New
  • NEW Applications for new Radio Equipment Possession Authorisation under the Radio Equipment Possession Authorisation Rules, 2026, have been enabled on the Authorisation Portal with effect from 06.08.2026.
  • NEW Applications for Captive Telecommunication Services Authorisations of licenses as per new Telecommunication rules 2026 have been enabled.
  • NEW Applications for Miscellaneous Telecommunication Services Communication Authorisations and Migration of licenses as per new Telecommunication rules 2026 have been enabled.
  • NEW Applications for new NSO, VNO authorisations and Migration of licenses as per new notified rules 2026 have been enabled.
  • NEW 2-factor login will come in Saral Sanchar from 1st August
DOT Mitra

A B C D E F G H I K L M N O P Q R S T U V W
Value added services
Value-added service (VAS) is a popular telecommunications industry term for non-core services, or in short, all services beyond standard voice calls and fax transmissions. In the telecommunication industry, on a conceptual level, valueadded services add value to the standard service
VAS
Testing of Value Added Services (VAS)
Virtual Network Operator

or “VNO” means an authorised entity or licensee providing telecommunication service by entering into mutual agreement with a parent NSO which may provide for:

VNO
Virtual Network Operator
VSAT

means Very Small Aperture Terminal.

VSAT
Very Small Aperture Terminal - VSAT License is to establish, install, operate and maintain VSAT Closed Users Group Domestic Data Network service via INSAT Satellite System on non- exclusive basis within territorial boundary of
VSAT-CUG
VSAT CUG Service (Satellite based)